39 lines
1.5 KiB
Python
39 lines
1.5 KiB
Python
from typing import Any
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import cv2
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import modules.globals # Import the globals to check the color correction toggle
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def get_video_frame(video_path: str, frame_number: int = 0) -> Any:
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"""Extract a specific frame from a video file, with color correction if enabled."""
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capture = cv2.VideoCapture(video_path)
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try:
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# Set MJPEG format to ensure correct color space handling
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capture.set(cv2.CAP_PROP_FOURCC, cv2.VideoWriter_fourcc(*'MJPG'))
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# Only force RGB conversion if color correction is enabled
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if modules.globals.color_correction:
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capture.set(cv2.CAP_PROP_CONVERT_RGB, 1)
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frame_total = capture.get(cv2.CAP_PROP_FRAME_COUNT)
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capture.set(cv2.CAP_PROP_POS_FRAMES, min(frame_total, frame_number - 1))
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has_frame, frame = capture.read()
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if has_frame and modules.globals.color_correction:
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frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
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return frame if has_frame else None
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except Exception as e:
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print(f"Error extracting video frame: {e}")
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return None
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finally:
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capture.release()
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def get_video_frame_total(video_path: str) -> int:
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"""Return the total number of frames in a video file."""
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capture = cv2.VideoCapture(video_path)
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try:
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video_frame_total = int(capture.get(cv2.CAP_PROP_FRAME_COUNT))
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return video_frame_total
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except Exception as e:
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print(f"Error getting video frame total: {e}")
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return 0
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finally:
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capture.release()
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